- Locks? - Bolt and key.

Hit one, and a locking bolt seals the safe permanently.

Locked and bolted from the inside.

Doors locked, windows bolted from the inside.

Lock and bolt the front door!

The door was locked and bolted from the inside.

There was this lock box bolted to the floor.

Lock your doors. Bolt your windows.

When someone attempts to drill the door,a glass plate inside the safe breaks,activating additional locking bolts, which render the safe practically impervious.

No, no, it's two locks and a bolt. Good.